Abstract: Abstract：Based on the geologic conditions and mining technology of No.2 Open-pit Mine, through comparing and analyzing different mining area transition scheme, the article discusses the rationality and feasibility of using the new ditch mining area transition mode. The related research results could provide the technical support and theoretical guidance for the engineering construction in Yimin No.2 Open-pit Mine.

摘要： 摘　要：以二号露天矿的地质条件、开采工艺等基本情况为依据，通过对比分析不同的采区过渡方案，论证了该矿采用重新拉沟采区过渡方式的合理性和可行性。相关研究成果对伊敏二号露天矿的工程建设提供技术支撑与理论指导。